Colloid titanium surface conditioner and preparation method thereof

A technology of surface modifier and gel titanium, which is applied in the coating process of metal materials, etc., can solve the problems of large investment in phosphating equipment, coarse crystallization of phosphating film, and high environmental protection pressure, so as to shorten the phosphating time and strengthen anti-rust Spot function, reduce the effect of phosphating temperature

Active Publication Date: 2014-04-23
HUNAN JINYU CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Generally, the surface adjustment time of the surface conditioner is long, and the obtained phosphating film has coarse crystals, thick film layer, long phosphating time, large investment in phosphating equipment, high energy consumpti

Method used

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  • Colloid titanium surface conditioner and preparation method thereof
  • Colloid titanium surface conditioner and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Every 1000Kg gel titanium surface conditioner is made of the following raw materials:

[0032] Sodium hydroxide 200Kg, phosphoric acid 360 Kg, titanyl sulfate mixed solution 130 Kg, sodium tripolyphosphate 310 Kg.

[0033] The titanyl sulfate mixed solution is a solution of titanyl sulfate: water = 1:2 (the titanyl sulfate mixed solution is used in the following examples).

[0034] Its preparation method comprises the following steps in turn:

[0035] (1) Add titanyl sulfate mixture to the reaction kettle;

[0036] (2) Add sodium hydroxide to the reaction kettle and stir for 3-10 minutes until the sodium hydroxide is completely dissolved;

[0037] (3) Slowly add phosphoric acid to the reactor until the reaction is complete, and the dropping time is 1-3 hours;

[0038] (4) Add sodium tripolyphosphate into the reaction kettle, stir evenly, and the stirring time is 1-3 hours;

[0039] (5) The physical and chemical indicators of the product are tested, and the product i...

Embodiment 2

[0043] Every 1000Kg gel titanium surface conditioner is made of the following raw materials:

[0044] Sodium hydroxide 210Kg, phosphoric acid 370Kg, titanyl sulfate mixed solution 140Kg, sodium tripolyphosphate 280Kg.

[0045] The preparation method and usage method are the same as in Example 1.

[0046]

Embodiment 3

[0048] Every 1000Kg gel titanium surface conditioner is made of the following raw materials:

[0049] Sodium hydroxide 210Kg, phosphoric acid 380Kg, titanyl sulfate mixed solution 140Kg, sodium tripolyphosphate 270Kg.

[0050] The preparation method and usage method are the same as in Example 1.

[0051]

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Abstract

The invention discloses a colloid titanium surface conditioner which is prepared from the following raw materials in parts by weight: 20-23 parts of sodium hydroxide, 36-40 parts of phosphoric acid, 13-16 parts of titanyl sulfate mixed liquid and 24-30 parts of sodium tripolyphosphate. By adopting the colloid titanium surface conditioner, a phosphate coating crystal is denser and more uniform, the adhesion and corrosion resistance are remarkably improved, all growth process of a conversion coating can be finished at relatively low temperature within relatively short time, the phosphating coating speed is particularly high, and complete lamination can be realized by 30 seconds of phosphating.

Description

technical field [0001] The invention relates to the field of metal surface treatment agents, in particular to a gel titanium surface regulator and a preparation method thereof. Background technique [0002] With the rapid development of the metal processing industry, the application of metal surface adjustment treatment is becoming more and more extensive. Generally, the surface adjustment time of the surface conditioner is long, and the obtained phosphating film has coarse crystals, thick film layer, long phosphating time, large investment in phosphating equipment, high energy consumption, large acid mist, poor solution stability, and many sediments. There are unfavorable factors such as cumbersome adjustment, high pressure on environmental protection, short service life, etc., and the workpiece is easy to rust after phosphating. Contents of the invention [0003] One of the objectives of the present invention is to overcome the deficiencies in the prior art and prov...

Claims

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Application Information

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IPC IPC(8): C23C22/83
Inventor 桂成方
Owner HUNAN JINYU CHEM
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